<template>
  <div class="app-container">

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:banner:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:banner:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:banner:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
		      :loading="exportLoading"
          @click="handleExport"
          v-hasPermi="['system:banner:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="bannerList" border size="mini" stripe @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="主键id" align="center" prop="id" v-if="false"/>
      <el-table-column label="轮播图标题" align="center" prop="title" />
      <el-table-column label="轮播图地址" align="center" prop="bannerUrl" >
       <template  slot-scope="scope">
         <img :src="scope.row.bannerUrl" :alt="scope.row.title" @click="showImg(scope.row.bannerUrl)" width="20%" height="20%">
       </template>
      </el-table-column>
      <el-table-column label="资讯摘要" align="center" prop="remark" />
      <el-table-column label="文字详情" align="center" prop="detail" />
      <el-table-column label="轮播类型" align="center" prop="type" :formatter="typeFormat" />
      <el-table-column label="显示状态" align="center" prop="status" :formatter="statusFormat"/>
      <el-table-column label="小区名称" align="center" prop="communityName" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:banner:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:banner:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />


    <!--  查看图  -->
    <el-dialog :title="imgTitle" :visible.sync="imgOpen"  v-if="imgOpen" width="50%" append-to-body>
      <show-imgs :imgs="imgUrl"></show-imgs>
    </el-dialog>
    <!-- 添加或修改资讯轮播图对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="60%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules"   label-width="120px">
        <el-form-item label="关联小区id" prop="communityId">
          <el-select v-model="form.communityId"   placeholder="请选择关联小区" filterable clearable size="small">
            <el-option
              v-for="community in communityOptions"
              :key="community.id"
              :label="community.name"
              :value="Number(community.id)"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="轮播图标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入轮播图标题" />
        </el-form-item>
        <el-form-item label="资讯摘要" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入资讯摘要" />
        </el-form-item>
        <el-form-item label="文字详情" prop="detail">
          <el-input v-model="form.detail"  placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="轮播类型" prop="type">
          <el-select v-model="form.type" placeholder="请选择轮播类型">
            <el-option
              v-for="dict in typeOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="parseInt(dict.dictValue)"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-select v-model="form.status" placeholder="请选择显示状态">
            <el-option
              v-for="dict in statusOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="parseInt(dict.dictValue)"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="轮播图地址">
          <upload-img v-model="form.bannerUrl" :limit="1"></upload-img>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listBanner, getBanner, delBanner, addBanner, updateBanner, exportBanner } from "@/api/system/banner";
import ImageUpload from '@/components/ImageUpload';
import {getAllList} from "@/api/system/community";
import UploadImg from "@/components/UploadImg";
import ShowImgs from "@/components/ShowImgs";

export default {
  name: "Banner",
  components: {
    ShowImgs,
    UploadImg,
    ImageUpload,
  },
  data() {
    return {
	  //按钮loading
	  buttonLoading: false,
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 资讯轮播图表格数据
      bannerList: [],
      //小区下拉列表
      communityOptions: [],
      imgOpen: false,
      imgTitle: "",
      imgUrl: "",
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 类型：1首页轮播  2其他轮播字典
      typeOptions: [],
      //轮播显示状态  0不显示  1显示
      statusOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        communityId: undefined,
        title: undefined,
        bannerUrl: undefined,
        type: undefined,
        status: undefined,
        aboutId: undefined,
        communityName: undefined,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
    this.getCommunityList();
    this.getDicts("banner_type").then(response => {
      this.typeOptions = response.data;
    });
    this.getDicts("banner_status").then(response => {
      this.statusOptions = response.data;
    });
  },
  methods: {
    /** 查询资讯轮播图列表 */
    getList() {
      this.loading = true;
      listBanner(this.queryParams).then(response => {
        this.bannerList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    //获取小区列表
    getCommunityList(){
      let data={};
      getAllList(data).then(response => {
        this.communityOptions = response.data
        var opt = {
          id:"0",
          name:"不关联小区",
        }
        this.communityOptions.push(opt);
      });
    },
    // 类型：1首页轮播  2其他轮播字典翻译
    typeFormat(row, column) {
      return this.selectDictLabel(this.typeOptions, row.type);
    },
    // 关联id字典翻译
    statusFormat(row, column) {
      return this.selectDictLabel(this.statusOptions, row.status);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: undefined,
        communityId: undefined,
        title: undefined,
        bannerUrl: undefined,
        remark: undefined,
        detail: undefined,
        type: undefined,
        status: 0,
        aboutId: undefined,
        communityName: undefined,
        createtime: undefined,
        updatetime: undefined
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加资讯轮播图";
    },
    //图片详情
    showImg(imgUrl) {
      this.imgOpen = true;
      this.imgTitle = "图片详情";
      this.imgUrl = imgUrl;
    },

    /** 修改按钮操作 */
    handleUpdate(row) {
      this.loading = true;
      this.reset();
      const id = row.id || this.ids
      getBanner(id).then(response => {
        this.loading = false;
        this.form = response.data;
        this.open = true;
        this.title = "修改资讯轮播图";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.buttonLoading = true;
          if (this.form.id != null) {
            updateBanner(this.form).then(response => {
              this.buttonLoading = false;
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addBanner(this.form).then(response => {
              this.buttonLoading = false;
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除资讯轮播图编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          this.loading = true;
          return delBanner(ids);
        }).then(() => {
          this.loading = false;
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有资讯轮播图数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          this.exportLoading = true;
          return exportBanner(queryParams);
        }).then(response => {
          this.download(response.msg);
          this.exportLoading = false;
        }).catch(() => {});
    }
  }
};
</script>
